Fountain-pen.



H.*STE|N. FOUNTAIN PEN.

APPLlcATloN man Novfia. 191s.

Patented Jan. 4, 1916.

mvENmR '/HTNESSES ATTORNEY nuoro sTiiL-ffonvmn'na,AUSTRIA-HUNGARY;

' FonivjiAIn-rnn.

measles.;

To all whom it may concern.'

l ,Be it 'known that l, HUGO Sinin, a subject of--rthe v)Emperor ofAustria-Hungary, and

re ding at No. 31 Neubaugasse, in Vienna, Austria-Hungary, have inventedcer-` tain lnew and useful Improvements in Fountain-Pens, ofy which thefollowing is a specification 11;r 1 i This invention relates toself-filling fountain pens and particularly to pens of the type in whichthe ink is forced from the' link chamber by gradually moving outwardly,or away from the pen point, a sleeve or tubular member, and'in which theink is drawn into said chamber by pushing said ysleeve inwardly, ortoward the pen point. AIn pens Vof this typeas previously proposed, the

sleeve was moved relatively toan ink tube of considerably less diameter,and in all 'enm cept the extreme inner position of the sleeve,

lcorresponding tothe entirely filled condition of the pen,the userthereofv had to hold the pen by means ofthe thin ink tube, whichrendered the handling of the `pen very difficult and inconvenient..

The object of the present invention is to provide an improved pen ofthis type, in

which the pen at the point at which it is held is of about the usualthickness and .is al# ways of the same thickness, whether vthe `sleeveor tubular member is in its inner or withdrawn positions, whereby thepen can be handled with' ease and convenience.

lVith this objectA in view, the invention consists in the combinationand arrangement of .parts hereinafter more fully de scribed and clearlypointed outin the appended claims. Y

The accompanying drawings illustrate two forms of construction accordingto the invention, shownv in longitudinal section.

Figure 1 is one formA of construction in the pushed in position. Fig. 2shows the same form of construction in ay partially pulled out position.Fig. 3 illustrates the second form of construction. 'In Figsl 1 and 2,the piece 2 situated in the hollow'holder 1 extends inwardly to sup,n

portV the'ink tube 3, -to 4which latter is vconnected atubular part 2which is itself situ-rv ated'loosely inthe piece Q. The tube part 2 is"open toward the ink tube 31 and also towardithenib 13. The-ink tube 3carries aclosing member '1l at its upper closed end-, whichfmember fitstightly within a sleeve adapted to' befpushed into andswithdrawn iSpecification of Letters Patent.

Application filed November 13, 1913. Seria1'i\o`800,832.

Patented dan. 4, 1916.

from the hollow casing l. The lower end of the interior of the tube 3 bymeans of the small opening 7. In order to facilitate the manipulation ofthat end of the Vsleeve 5 which projects outward beyond the casing'l, itis provided with a knob 8 and lalso with an air-hole 9.' llhe members fland 6 may also be arranged farther from the end of the sleeve 5 or thetube 3.

The operation of the fountain pen holder isas follows: Assuming-'thatthe sleeve 5 is inthe position illustrated in Fig;` 2,V that is in apartially or entirely drawn Aout position, if the sleeve 5 is pushedinto the casing l Fig. l) after the nib has been dipped into the ink,then a vacuum will be created in the sleeve 5 between the members 4 and6, and also within the tube 8 by means of the communicating opening 7,whereby the ink' will be drawn in'. rPhe ink is allowed to flow to thenib rby slightly pulling the sleeve 5 out of the casing. l, whereby thespace bey the sleeve 5 is closed by a preferably integral tween themembers 4 and (i is reduced in size and the ink is forced out. lt willobviously be of advantage to make the tube 3 comparativelyy thin, inorder to make the annular space between said tube and the sleeve 5, as

large as possible. l

rlhe cap l0 serves as usual for protecting the nib, when the fountainpen is out of.

use and, as shown in Figs. l and 2 wher,

Vthe fountain pen is being used, it serves to lengthen it. When theabove described fountain pen is quitefull, its length is shortest,although the sleeve is movable with the obj ect of feeding the nib withink, and it is therefore very easily put away in the pocket, without thecreased length owing tothe ink having been wholly or partly used, aleakage of the ink,

when carrying thepen holder in the pocket, is notv possible, because theunintentional pushing ,together of the parts, which vis pos'i sible whenthe pen holder lies in the pocket,

canvonly cause the ink to be drawn in.- lt would therefore be advisable,if the sleeve is:

in any drawn out position, .to push saine quite in, in everycasebeforeputtingthe pen.`

when making the pen holder ready for use,

lto force the air out to thereby permit the the ink tube 3 `and theholder 1. Atthei'head 8, a sleeve 12 may be secured, which surrounds the'holder 1 andi in'fsome cases, illustrated, is guided thereon. Theremaining details of construction are the same as that of the form ofconstruction hereinbefore described, and the method of operation is alsothe same. If the member 6 is pushed in, in the direction of the arrowlI, a vacuum is caused in the intermediate space between the holder 1 andthe tube 3 between the members 4 and 6, and the interior of the tube 3by means of the communicating opening 7 whereby the writing liquid isdrawn in. The feeding of the writing liquid to the nib is performed byslightly pulling the head 8 outin the direction of the arrowII, wherebysaid space is reduced in size and therefore the liquid is driven thrughthe tube 3 to the nib. The sleeve 12, thejise of which may b e`dispensed withpsenves for covering the outer projecting part of thepiston rod 11, also for maintaining av uniform thickness of holder atall points and for protecting the piston rod from bending; t-hev latteris the case especially when the sleeve 12 is guided 011 the holder 1.

, It will be readily seen that in both forms yillustrated the pen is ofsubstantiallyv the same diameter throughout its length, and alsoy thatthe pen at the point at which it is held is always of the samethickness, no matter whether the member 6 is in its inner or enterpositions. These are distinctly advantageous features -which distinguishthe present pen from those ofl the same type previously proposed. f

Having now described my invention what I claim as new and desire tosecure by Letters Patent is i 1. A fountain pen, comprising incombination, a tubular member, a pen' carried at one end'thereof, an inktube also carried by said member and forming therewith an annularchamber, a closure member at the outer end of said ink tube serving to'close the outer Aend of said chamber, a second movable closure memberclosely fitting the exterior of' said ink tube and the interior of saidtubular member and serving to close the inner end of said chamber, saidink tube havlng an orifice 'communicating with said aperture adjacentsaid end and comun chamber and means foi' :flowing the second closuremember relatively to the tubular member and ink tube, for the purposedescribed. Lf

2. A fountain pen, comprising in combi nation, a pair oftubular'members, one fitu ting within the other, a closure membercarried by the inner tubular member, a second closure member arrangedwithin the inn ner tubular member and connected with thel' outertubular'member, said closure members and the innerl tubular memberyforming between them an ink chamber, a pen carried by one of saidtubular members, and an ink tube also carried by said member, opening atone end adjacentysaid pen and communieating through an orifice with saidcham ber, said tubular members being relatively movable for the purposedescribed.

3. A fountain pen, comprising in combi 1i tube also'carried by saidmember, 'said tube opening at one end adjacent. said pen and beingclosed at the other end, but haru ing with said ink ehamben'said tubethrough both of said'closing membl tubular members being relatively m:for the purpose described.

4. A fountain pen comprising in cumbinat-ion, a holder, a pen at one endthereof, a casing within the holder-and projcrifting beyond one endthereof, a closing member integral with the casing,a closing memberextending across and tightly fitting the casing, both vmembers beingnormally spaced apart to form a closed ink chamber, a stationary inktube within and in communication with the ink chamber by means of anorifice, the tube being secured to kthe closing member which fits withinthe casing and passing tightly through the integral-'closing member and'having its end adjacent the pen in the: holder, and a knob on the endof the casing which projects from the holder,

whereby ithe integral closing member and sleeve are moved relatively tothe ink tube and the other closing member to lvary the capacity of theink chamber for the purpose described. f

5I A fountain pen comprising in combination, a casing, apen at one endthereof, a closing member-'integral with the casing, a closing memberextending across and tightly iitting the casing, both members beingnormally spaced apart to form a closed ink chamber, a stationary inktube within and in communication with the ink cham vary the capacityof'the ink chamber forber by means of an orifice, the tube being thepurpose described. secured to the integral closing member, and Intestimony whereof I have signed my passing tightly through the closingmemname to this specication in the presence of 5 lber Wlichts Withln thecasing and having two subscribing Witnesses v its en a 'aeent t e en inthe Casin a sleeve surrbunding thEe) casing, and mlns e n HUGO STEIN' onthe sleeve for moving it and the tightly' Witnesses t, fitting closingmember relatively to the'ink KARL REHAK,

10 tube and theintegral closing member, to RICHARD BREWER.

